diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 4f892cc..cfa0dd9 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -35,7 +35,7 @@
   <ItemGroup>
     <PackageReference Include="ConfigureAwaitChecker.Analyzer" Version="5.0.0.1" PrivateAssets="All"/>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All"/>
-    <PackageReference Include="Polyfill " Version="1.27.2" PrivateAssets="All"/>
+    <PackageReference Include="Polyfill " Version="1.28.0" PrivateAssets="All"/>
   </ItemGroup>
 
 </Project>